Title:
AUXILIARY CIRCUIT FOR HEATING HEAT STORAGE TANKS
Document Type and Number:
WIPO Patent Application WO/2011/133058
Kind Code:
A3
Abstract:
The present invention relates to a specific association and assembly of functional elements forming one circuit (17) composed of piping, a non-return valve (18) and a pump (19), connecting the output of the auxiliary- heating equipment (9) in a system for heating domestic water back to the heat exchanger (3), where the water had already passed. If the temperature in the accumulator tank (2) falls below a certain preset value, this new circuit with its pump (19) allows the domestic water from the heat exchanger (3) to circulate through the auxiliary heating equipment (9) and, from there, after being heated up, the water returns to the heat exchanger through this circuit so there is a reversal of the direction of the heat flow, passing the water in the heat exchanger to heat up the fluid in the heat storage tank instead of being warmed by it. This new circuit (17) allows to complement, or even to replace, any thermal support system to the heat storage tank. The fluid in the heat store, outside the heat exchanger, gets the heat primarily from a primary source, preferably renewable, such as solar thermal.
Inventors:
DE ANDREA LENCASTRE GODINHO LUIS HENRIQUE (PT)
Application Number:
PCT/PT2011/000012
Publication Date:
August 01, 2013
Filing Date:
April 20, 2011
Export Citation:
Assignee:
PRIOR FABRICA DE PLASTICOS LDA J (PT)
DE ANDREA LENCASTRE GODINHO LUIS HENRIQUE (PT)
DE ANDREA LENCASTRE GODINHO LUIS HENRIQUE (PT)
International Classes:
F24D17/00; F24D3/08; F24D11/00; F24D19/10; F28D20/00
Foreign References:
| EP0029952A1 | 1981-06-10 | |||
| US4898152A | 1990-02-06 | |||
| US4232657A | 1980-11-11 |
Attorney, Agent or Firm:
PEREIRA DA CRUZ, João (S.A.Rua Vitor Cordo, 10 1249-103 Lisboa, PT)
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